diff --git a/drivers/mfd/twl4030-power.c b/drivers/mfd/twl4030-power.c
index 3e41e0c..9f98c36 100644
--- a/drivers/mfd/twl4030-power.c
+++ b/drivers/mfd/twl4030-power.c
@@ -352,7 +352,7 @@
 		return err;
 	}
 
-	if (rconfig->devgroup >= 0) {
+	if (rconfig->devgroup != TWL4030_RESCONFIG_UNDEF) {
 		grp &= ~DEV_GRP_MASK;
 		grp |= rconfig->devgroup << DEV_GRP_SHIFT;
 		err = twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
@@ -372,12 +372,12 @@
 		return err;
 	}
 
-	if (rconfig->type >= 0) {
+	if (rconfig->type != TWL4030_RESCONFIG_UNDEF) {
 		type &= ~TYPE_MASK;
 		type |= rconfig->type << TYPE_SHIFT;
 	}
 
-	if (rconfig->type2 >= 0) {
+	if (rconfig->type2 != TWL4030_RESCONFIG_UNDEF) {
 		type &= ~TYPE2_MASK;
 		type |= rconfig->type2 << TYPE2_SHIFT;
 	}
diff --git a/include/linux/i2c/twl4030.h b/include/linux/i2c/twl4030.h
index e87cb27..8a4a58f 100644
--- a/include/linux/i2c/twl4030.h
+++ b/include/linux/i2c/twl4030.h
@@ -400,6 +400,7 @@
 	struct twl4030_script **scripts;
 	unsigned num;
 	struct twl4030_resconfig *resource_config;
+#define TWL4030_RESCONFIG_UNDEF	((u8)-1)
 };
 
 extern void twl4030_power_init(struct twl4030_power_data *triton2_scripts);